Mutual Screw & Supply

3/8-16 X 6-1/2" Carriage Bolts | 316 Stainless Steel (25 / Pkg.)

3/8-16 X 6-1/2" Carriage Bolts | 316 Stainless Steel (25 / Pkg.) - Main image
$49.33 $79.56 In stock

3/8-16 X 6-1/2" Carriage Bolts in 316 Stainless Steel. Carriage bolts feature a smooth, rounded head with a square neck underneath that pulls into the material to prevent the bolt from turning during installation, making them ideal for wood-to-wood and wood-to-metal connections.

  • Domed head with square anti-rotation neck
  • 316 Stainless Steel construction
  • Coarse thread for use in wood and with nuts and washers
  • Sold in bulk packs

Specifications

  • Thread Size: 3/8-16
  • Length: 6-1/2"
  • Threads Per Inch: 16
  • Material: 316 Stainless Steel
  • Finish: Plain
  • Pack Quantity: 25
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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.6 / 5 · 5 reviews)

Samuel ★★★★★

Installed these on a dock repair and the 316 stainless is holding up perfectly against the saltwater spray. The square neck really digs in and keeps them from spinning while I tighten the nut.

Kevin N. ★★★★★

Finally got around to using these to replace some old rusted bolts on a dock project, and the 316 stainless is holding up perfectly in the saltwater. The square neck grabbed tight into the wood just like it should, no spinning at all during tightening.

Alexander ★★★★★

The square neck on these carriage bolts really does grab into the wood and keep them from spinning while you tighten the nut, which saved me a ton of frustration. For a 25-pack of 316 stainless steel hardware this long, the price felt more than fair. I'm glad I finally found bolts that won't rust ou